JP2005246657A - Recording head and recording apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify the structure of a carriage, and moreover to correctly guide an ink ribbon to a predetermined position ahead of a recording head. <P>SOLUTION: The recording head 20 has a plurality of recording wires and a nose part 20B for guiding the recording wires. The recording head 20 is carried by the carriage 21, and records an image via the ink ribbon 44A to a recording paper by projecting the recording wires to a platen 23 in the middle of travel of the carriage 21. A ribbon holder 70 is mounted at a recording head body 20A, which guides the ink ribbon 44A to the predetermined position ahead of the nose part 20B. The recording head body 20A is set at the carriage 21 together with the ribbon holder 70. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a recording head for printing / recording on a recording sheet and a recording apparatus including the recording head.

Conventionally, as a recording apparatus for recording an image on a sheet (recording paper) by a recording head, a plurality of recording wires provided on the recording head are provided while a carriage mounted with the recording head travels along the axial direction of the platen. A dot impact printer is known that records an image via an ink ribbon on a sheet that protrudes toward the platen and is conveyed between the recording head and the platen. Some of these types include a ribbon holder for stably feeding the ink ribbon sent out from the ink ribbon cartridge to the front of the recording wire. The ribbon holder is attached to the carriage by, for example, being inserted into a pair of pins protruding from the carriage that holds the recording head (see, for example, Patent Document 1).
JP-A-8-238831

  However, in the above conventional technique, since the ribbon holder is attached to the carriage, a shape or a member for attaching the ribbon holder to the carriage is required, and the structure of the carriage becomes complicated. There was a problem of high costs.

  Further, when the ribbon holder is attached to the carriage, there is a problem that the ink ribbon cannot be accurately guided to a predetermined position in front of the recording head.

  The present invention has been made in view of the above-described circumstances. A recording head that can simplify the structure of a carriage and can accurately guide an ink ribbon to a predetermined position in front of the recording head, and the recording head. It is an object to provide a recording apparatus provided.

  In order to achieve the above object, the present invention has a plurality of recording wires and a nose portion for guiding the recording wires, and is mounted on a carriage so that the recording wires protrude from the platen while the carriage is running. In a recording head that records an image on a recording sheet via an ink ribbon, a ribbon holder for guiding the ink ribbon to a predetermined position in front of the nose portion is attached to the recording head main body, and the ribbon holder is attached to the carriage together with the ribbon holder. It is designed to be attached.

  According to the present invention, in the recording head according to the above invention, the ribbon holder includes a locking portion having a hooking portion that is hooked on the recording head main body.

  According to the present invention, in the recording head of the above invention, the recording head main body includes a positioning convex portion for positioning the height direction of the ribbon holder, and the locking portion of the ribbon holder is the positioning convex portion. It has the positioning recessed part fitted to a part, It is characterized by the above-mentioned.

  According to the present invention, in the recording head of the above invention, the recording head main body has a positioning concave portion that fits into the positioning convex portion for positioning the height direction provided in the locking portion of the ribbon holder. It is characterized by providing.

  In the recording head according to the invention, the recording head main body further includes a drive unit that drives the recording wire, and a radiator that radiates heat generated in the drive unit, and the ribbon holder includes: A cover for covering the radiator is provided.

  Further, the present invention has a plurality of recording wires and a nose portion for guiding the recording wires, and is mounted on a carriage, and the recording wires are projected onto a platen while the carriage is running so that an ink ribbon is applied to the recording paper. In a recording apparatus comprising a recording head for recording an image via a ribbon head, a ribbon holder for guiding the ink ribbon to a predetermined position in front of the nose portion is attached to the recording head main body, and the recording head is moved together with the ribbon holder to the carriage. It is characterized by being attached to.

  According to the present invention, in the recording apparatus according to the above invention, the ribbon holder includes a locking portion having a hook portion that is hooked on the recording head main body.

  According to the present invention, in the above invention, the recording head main body includes a positioning convex portion for positioning the height direction of the ribbon holder, and the locking portion of the ribbon holder is fitted into the positioning convex portion. It is characterized by including a positioning recess to be matched.

  According to the present invention, in the recording apparatus according to the above invention, the recording head main body includes a positioning concave portion that fits into the positioning convex portion for positioning the height direction provided in the locking portion of the ribbon holder. It is characterized by providing.

  Further, the present invention is the recording apparatus according to the above invention, wherein the recording head main body further includes a drive unit that drives the recording wire, and a radiator that radiates heat generated in the drive unit, and the ribbon holder includes: A cover for covering the radiator is provided.

  According to the present invention, the structure of the carriage can be simplified, and the ink ribbon can be accurately arranged at a predetermined position in front of the recording head.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view showing the entirety of a dot impact printer as an embodiment of a recording apparatus to which the present invention is applied, and FIGS. 2 and 3 are perspective views showing a configuration of a printer main body of the dot impact printer. FIG. 4 is a cross-sectional view of the printer body.

  The dot impact printer 10 as the recording apparatus shown in FIGS. 1 to 3 is configured such that a recording wire (not shown) provided in the recording head 20 (see FIG. 3) is supplied to a sheet (recording paper) via an ink ribbon 44A (see FIG. 5). And an image including characters is recorded by forming dots on the sheet. As this sheet, there are a cut sheet cut to a predetermined length and a continuous sheet in which a plurality of sheets are connected. The cut sheet includes, for example, plain paper such as cut paper and cut copy paper, as well as passbooks, postcards, and envelopes, and continuous sheets include continuous paper and continuous copy paper.

  The dot impact printer 10 is roughly divided into a printer main body 11 as a recording apparatus main body, a push tractor unit 12 (FIG. 2) and a discharge unit 13 that are detachably attached to the printer main body 11, and an upper portion of the printer main body 11. The upper case 14 </ b> A and the lower case 14 </ b> B are provided as exterior bodies covering the lower portions.

  As shown in FIGS. 2 to 4, the printer main body 11 includes a base frame 15 as a main body frame, a front frame 16, a rear frame 17 (FIG. 4), a left side frame 18 and a right side frame 19, and a recording head 20. And a recording mechanism 22 having a carriage 21, a platen 23, a sheet guide 24, a first sheet conveying mechanism 27 having a first driven roller 25 and a second driven roller 26, a third driven roller 28 and a driving roller 29. And a second sheet conveyance mechanism unit 30 provided with

  A left side frame 18 and a right side frame 19 are erected and fixed to substantially both ends of the base frame 15, the front frame 16, and the rear frame 17. A carriage shaft 31 is bridged between the left side frame 18 and the right side frame 19 and is pivotally supported. Further, a platen 23 is bridged between the left side frame 18 and the right side frame 19 so as to be rotatable, and a seat guide 24 is fixedly disposed on the rear frame 17.

  As shown in FIG. 4, the first sheet transport mechanism 27 including the platen 23 includes a first driven roller 25 and a second driven roller 26 disposed below the platen 23, and the sheet transport on the rear side of the printer main body 11. Configured as a mechanism. The first driven roller 25 and the second driven roller 26 are pivotally supported by the driven roller holder 32. The driven roller holder 32 is urged toward the platen 23 by an urging spring 33 having one end fixed to the rear frame 17, so that the first driven roller 25 and the second driven roller 26 abut against the platen 23 from below. In contact with the platen 23, the platen 23 is rotated and driven.

  The second sheet conveying mechanism 30 is configured as a sheet conveying mechanism on the front side of the printer main body 11 with the third driven roller 28 and the driving roller 29 arranged in contact with each other.

  The platen 23 and the drive roller 29 are rotationally driven in the forward or reverse direction by the drive wheel train 34. The drive wheel train 34 is installed on one of the left side frame 18 and the right side frame 19, for example, the right side frame 19. The drive wheel train 34 includes a sheet conveyance motor 35 (FIG. 2) that can be rotated forward or reverse, a motor pinion that is rotationally and integrally fixed to a drive shaft of the sheet conveyance motor 35, and a driving force from the motor pinion. A plurality of reduction gears that transmit to the platen 23 and a plurality of reduction gears that transmit to the drive roller 29 are configured. With this configuration, the platen 23 and the driving roller 29 are rotated in opposite directions, so that a cut sheet or a continuous sheet can be conveyed from the front to the rear of the printer main body 11 or can be conveyed from the rear to the front of the printer main body 11. To do. Therefore, the cut sheet and the continuous sheet are conveyed in the sub-scanning direction orthogonal to the later-described main scanning direction of the carriage 21.

  Tractor unit mounting portions 40A and 40B are formed on the front side and the rear side of the printer main body 11 of the left side frame 18 and the right side frame 19, respectively, and the push tractor unit 12 is detachably mounted on each. FIG. 3 shows a state where the push tractor unit 12 is mounted only on the front side of the printer main body 11.

  The push tractor unit 12 mounted on the rear side of the printer main body 11 supplies a continuous sheet (for example, continuous paper) to the first sheet conveying mechanism 27 on the rear side, and is a push mounted on the front side. The tractor unit 12 supplies the second sheet conveying mechanism 30 on the front side. The push tractor units 12 mounted on the front side and the rear side of the printer main body 11 have substantially the same configuration, and have a pair of tractors 36 on the left and right. These tractors 36 are supported by a tractor drive pulley (not shown) that is rotatably and axially slidably supported on a tractor drive shaft 37 and a tractor guide shaft 38 that is rotatably and axially slidable. A tractor belt 39 is wound around a tractor driven drive pulley (not shown), and a sheet pressing lid (not shown) is provided.

  The distance between the pair of tractors 36 can be adjusted according to the width dimension of the continuous sheet (continuous paper) to be conveyed. A plurality of pins protrude from the entire outer periphery of the tractor belt 39 and can be engaged with holes formed on both sides of the continuous sheet in the width direction. The tractor belt 39 is also driven by the drive wheel train 34 described above.

  The carriage 21 is slidably inserted into the carriage shaft 31 and is slidably contacted with the upper end portion of the front frame 16. Further, the recording head 20 is mounted. Since the carriage shaft 31 is arranged in parallel with the platen 23, the carriage 21 is provided so as to be able to travel (scan) in a main scanning direction that coincides with the axial directions of the platen 23 and the carriage shaft 31.

  The carriage 21 is coupled to a timing belt 42 (FIG. 4) that is reciprocated by forward rotation or reverse rotation of a carriage drive motor 41. Accordingly, the carriage 21 is guided to the carriage shaft 31 via the timing belt 42 by the forward or reverse rotation of the carriage drive motor 41, and is scanned leftward or rightward in FIGS. 1 to 3 in the main scanning direction. Here, the carriage drive motor 41 is configured by a stepping motor, for example, together with the sheet conveyance motor 35.

  A ribbon drive shaft 43 is provided on the front left side of the carriage shaft 31. The ribbon drive shaft 43 moves the ink ribbon 44 </ b> A in the ribbon cassette 44 attached to the left side frame 18 and the right side frame 19. The ink ribbon 44 </ b> A is drawn between the recording head 20 and the platen 23 and is movably provided by the ribbon drive shaft 43.

  The recording head 20 includes a large number of recording wires (not shown), and the ink ribbon 44A is positioned in front of the recording wires in the protruding direction. While the recording head 20 travels in the main scanning direction together with the carriage 21, the recording wire protrudes and strikes the ink ribbon 44 </ b> A, and the ink on the ink ribbon 44 </ b> A is conveyed between the platen 23 and the recording head 20. An image including characters is recorded on the sheet attached to the sheet.

  In the recording operation by the recording head 20, one line is recorded by the recording wire of the recording head 20 while the carriage 21 travels leftward or rightward in the main scanning direction of FIGS. 1 to 3, and this one line is recorded. Each time the first sheet transport mechanism unit 27 or the second sheet transport mechanism unit 30 transports a sheet by a predetermined length (for a normal line interval), these operations are repeated.

  As shown in FIG. 4, the discharge unit 13 includes a discharge roller 46 that is rotatably integrated with a roller shaft 45, and the sheet recorded by the recording head 20 is moved out of the printer 10 by the rotation of the discharge roller 46. Discharged.

  A release lever 47 is provided outside the right side frame 19, and a transmission gear (not shown) that transmits the driving force of the sheet conveying motor 35 by the operation of the release lever 47 is provided on the rear side of the printer body 11. The push tractor unit 12 is mounted so that it can mesh with or disengage from a tractor drive gear (not shown) that drives the tractor drive shaft 37 of the push tractor unit 12. When the transmission gear is engaged with the tractor drive gear, the first driven roller 25 of the first sheet transport mechanism 27 is separated from the platen 23 by the action of the cam 49 formed on the release shaft 48 shown in FIG. A continuous sheet as a sheet is supplied from the push tractor unit 12 mounted on the rear side of the printer main body 11 to the platen 23 and conveyed.

  Further, when the transmission gear is separated from the tractor drive gear by the operation of the release lever 47, the first driven roller 25 of the first sheet transport mechanism 27 is brought into contact with the platen 23 and rotates by the action of the cam 49, A sheet as a sheet is supplied from a sheet guide 24 of the first sheet transport mechanism 27 to the platen 23 from a sheet supply guide or the like (not shown).

  An adjustment lever 50 is provided outside the left side frame 18, and the carriage shaft 31 is configured to be separated or accessible from the platen 23 by the operation amount of the adjustment lever 50 according to the operation amount. Therefore, the platen gap between the recording head 20 mounted on the carriage 21 supported by the carriage shaft 31 and the platen 23 can be adjusted by manual operation of the adjustment lever 50 according to the sheet thickness or the like.

  By the way, as shown in FIG. 5, the ink ribbon 44A accommodated in the ribbon cassette 44 is placed at a predetermined position in front of the recording head 20 while restricting the swing in the width direction W of the ink ribbon 44A. A ribbon holder 70 for guiding is attached, and the ribbon holder 70 is attached to the recording head 20 as shown in FIG.

  6 is a front view showing the configuration of the recording head 20 to which the ribbon holder 70 is mounted, FIG. 7 is a top view of the recording head 20, and FIG. 8 is a side view of the recording head 20. 9 is an exploded perspective view of the ribbon holder 70 and the recording head 20 as viewed from the front direction of the recording head 20. FIG. 10 is an exploded perspective view of the ribbon holder 70 and the recording head 20 as viewed from the back direction of the recording head 20. FIG.

  As shown in these drawings, the ribbon holder 70 has a fitting groove portion 70A in which a nose portion 20B provided in the recording head main body 20A of the recording head 20 is fitted, and an ink ribbon 44A on the side opposite to the recording side. The ink ribbon is sandwiched between the ribbon guide portion 70B having a smooth surface that faces the surface and the surface opposite to the recording side, and the ribbon guide portion 70B that faces the recording side surface of the ink ribbon 44A. , A rod-shaped ribbon pressing portion 70C and a side wall 70D surrounding both sides and the upper side of the nose portion 20B of the recording head main body 20A.

  The ribbon holding portion 70C is formed with a slit 72 in a cut state for allowing the ink ribbon 44A to pass through, and the slit 72 is inclined with respect to the feeding direction A (see FIG. 5) of the ink ribbon 44A. It is comprised. When attaching the ribbon holder 70 to the ink ribbon 44A, after passing the ink ribbon 44A through the slit 72 and inside the ribbon pressing portion 70C, the posture of the ink ribbon 44A is corrected, and the ink ribbon 44A is connected to the ribbon guide portion 70B and the ribbon. It is located between the pressing part 70C. In this case, even if the slit 72 through which the ink ribbon 44A passes is provided with an inclined portion 72A in a part thereof, if the ink ribbon 44A is inserted into the slit 72 in a state of being substantially folded in the longitudinal direction, for example, Even if the ink ribbon 44A is passed through the ink ribbon 44A in the feeding direction A, the ink ribbon 44A can be easily passed through almost the same.

  In addition, since the inclined portion 72A is formed in the slit 72, the ink ribbon 44A does not accidentally come out of the slit 72 once the ink ribbon 44A is passed through the slit 72. That is, when the ink ribbon 44A comes out from the slit 72, the ink ribbon 44A comes out in a folded state, but when the inclined portion 72A exists in the slit 72, the broken ink ribbon 44A gets in the inclined portion 72A. As a result, it becomes difficult to get out of the slit 72.

  Next, the structure for attaching the ribbon holder 70 to the recording head 20 will be described in detail. As shown in FIGS. 9 and 10, the recording head 20 </ b> A is provided with a heat radiator 61, and mounting grooves 80 for attaching the ribbon holder 70 are recessed in both side walls of the heat radiator 61, and a nose. On both the left and right sides of the portion 20B, nose ribs 81 (positioning convex portions) for positioning the attachment position in the height direction of the ribbon holder 70 are provided.

  On the other hand, a pair of protrusions 79 (hooking portions) that are fitted and hooked to the mounting groove 80 and a pair of rib fitting portions 77 that are fitted to the nose rib 81 are formed on both side walls of the side wall 70D of the ribbon holder 70. (Positioning recess) is formed, and the side wall 70 </ b> D functions as an engaging portion that engages with the recording head 20.

  Under this configuration, when the ribbon holder 70 is mounted on the recording head 20, the ribbon holder 70 is addressed from the front of the recording head 20, and the protrusion 79 of the ribbon holder 70 is fitted to the mounting groove 80 of the radiator 61. At the same time, the nose rib 81 of the recording head 20 is fitted to the rib fitting portion 77 of the ribbon holder 70, and the fitting groove 70A is fitted to the nose portion 20B of the recording head main body 20A. Installation is complete. In this state, the ribbon holder 70 is prevented from coming off by the engagement between the protrusion 79 of the ribbon holder 70 and the mounting groove 80. Further, after the ribbon holder 70 is attached to the recording head 20 in this way, the recording head 20 is attached to the carriage 21 together with the ribbon holder 70. At this time, the ribbon holder 70 is formed with a size that does not come into contact with the carriage 21, and the ribbon holder 70 attached to the recording head 20 is prevented from being displaced due to contact with the carriage 21.

  As described above, according to the present embodiment, since the ribbon holder 70 is attached to the recording head 20 instead of the carriage 21, it is not necessary to provide a structure for attaching the ribbon holder 70 to the carriage 21. Is simplified, so that the cost can be reduced.

  Further, since the ribbon holder 70 is directly attached to the recording head 20 as compared with the configuration in which the ribbon holder 70 is attached to the carriage 21, the relative positioning of the ribbon holder 70 and the recording head 20 can be accurately performed. As a result, the ink ribbon 44 guided by the ribbon holder 70 is accurately positioned at a predetermined position in front of the recording head 20.

  More specifically, in this embodiment, since the mounting grooves 80 for mounting the ribbon holder 70 are provided on both sides of the radiator 61, the mounting portion 80 positions the ribbon holder 70 in the lateral direction. The ribbon holder 70 is positioned in the height direction by the nose rib 81 described above. With this configuration, when the ribbon holder 70 is attached to the recording head 20, the ribbon guide portion 70B of the ribbon holder 70 and the nose portion 20B of the recording head main body 20A can be accurately positioned, and the ink ribbon 44A. Can be reliably guided to the correct position in front of the nose portion 20B, and as a result, the printing accuracy can be improved.

  Incidentally, as described above, the radiator 61 is provided in the recording head main body 20A of the recording head 20. The radiator 61 is for radiating heat generated when the recording head 20 drives a drive unit having a magnetic circuit such as an electromagnetic coil to cause a recording wire (not shown) to project. The radiator 61 is made of a material having high thermal conductivity such as an aluminum alloy. Therefore, the surface of the radiator 61 has heat during the printing operation or immediately after the printing operation is finished. Therefore, in order to prevent the user from touching the radiator 61 or the like, as shown in FIGS. 11 and 12, in addition to the configuration of the embodiment described above, a cover 90 that covers the recording head 20 provided with the radiator 61 is provided. Is preferably provided in the ribbon holder 70.

  Specifically, as shown in FIGS. 11 and 12, a cover 90 that covers the upper side, the left and right sides, and the rear side of the recording head 20 is detachably provided on the side wall 70 </ b> D of the ribbon holder 70. For example, as shown by a broken line in FIG. 10, the cover 90 and the ribbon holder 70 are connected so that an engagement protrusion 95 is provided on the side wall 70 </ b> D of the ribbon holder 70 and the cover 90 is engaged with the engagement protrusion 95. What is necessary is just to set it as the structure attached from the back side of the recording head 20. As shown in FIGS. 11 and 12, of the side walls of the cover 90, holes 91 are formed in a lattice pattern in the side walls 90A and 90B located on both sides of the recording head 20 and the side wall 90C located on the back side. The radiator 61 can sufficiently dissipate heat to the outside of the cover 90.

  With such a configuration, the ribbon holder 70 is attached to the recording head 20, and further, the cover 90 that covers the radiator 61 of the recording head 20 is attached to the ribbon holder 70, so that the recording head 20 is attached by the cover 90. It is possible to prevent the user from touching the recording head 20 unexpectedly. Further, by making the ribbon holder 70 and the cover 90 detachable, the attachment work of the ribbon holder 70 and the cover 90 to the recording head 20 can be facilitated.

  The above-described embodiments merely show one aspect of the present invention, and it goes without saying that modifications and applications can be arbitrarily made within the scope of the present invention. For example, in the above-described embodiment, the nose rib 81 serving as a positioning convex portion for positioning the ribbon holder 70 in the height direction is provided on the recording head main body 20A side, and the nose rib 81 and the inner side of both side walls of the side wall 70D. The rib fitting portion 77 which is a positioning concave portion to be fitted is provided, but conversely, a positioning concave portion is provided on the recording head main body 20A side and a positioning convex portion is provided on the ribbon holder 70 side. It is good also as a structure.

1 is a perspective view showing a dot impact printer to which an embodiment of a recording apparatus according to the present invention is applied. 2 is a perspective view illustrating a configuration of a printer main body. FIG. 2 is a perspective view illustrating a configuration of a printer main body. FIG. 2 is a cross-sectional view illustrating a configuration of a printer main body. FIG. FIG. 3 is a perspective view showing a configuration of a ribbon holder mounted on a recording head together with an ink ribbon. It is a front view which shows the structure of the said ribbon holder. It is a top view which shows the structure of the said ribbon holder. It is a side view which shows the structure of the said ribbon holder. It is a disassembled perspective view of the said ribbon holder and a recording head. It is a disassembled perspective view of the said ribbon holder and a recording head. It is a perspective view which shows the desirable aspect of the said ribbon holder. It is a perspective view which shows the desirable aspect of the said ribbon holder.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Dot impact printer (recording apparatus), 11 ... Printer main body, 20 ... Recording head, 20A ... Recording head main body, 20B ... Nose part, 21 ... Carriage, 23 ... Platen, 31 ... Carriage shaft, 44A ... Ink ribbon, 61 ... Radiator, 70 ... Ribbon holder, 70D ... Side wall (engagement part), 77 ... Rib fitting part (concave part for positioning), 79 ... Projection (hook part), 80 ... Mounting groove, 81 ... Nose rib (convex part for positioning) Part), 90 ... cover.

Claims (10)

A plurality of recording wires and a nose portion for guiding the recording wires are mounted on a carriage, and the recording wires are projected onto a platen while the carriage is running to record an image on a recording sheet via an ink ribbon. In the recording head to
A recording head, wherein a ribbon holder for guiding the ink ribbon to a predetermined position in front of the nose portion is attached to the recording head main body, and is attached to the carriage together with the ribbon holder. The recording head according to claim 1, wherein the ribbon holder includes a locking portion having a hooking portion that is hooked on the recording head main body. The recording head body includes a positioning projection for positioning the height direction of the ribbon holder,
The recording head according to claim 1, wherein the engaging portion of the ribbon holder includes a positioning concave portion that fits into the positioning convex portion. The recording head body includes a positioning concave portion that fits into the positioning convex portion for positioning the height direction provided in the locking portion of the ribbon holder. The recording head described. The recording head main body further includes a driving unit that drives the recording wire, and a radiator that radiates heat generated in the driving unit,
The recording head according to claim 1, wherein the ribbon holder includes a cover that covers the radiator. A plurality of recording wires and a nose portion for guiding the recording wires are mounted on a carriage, and the recording wires are projected onto a platen while the carriage is running to record an image on a recording sheet via an ink ribbon. In a recording apparatus comprising a recording head that performs:
A recording apparatus, wherein a ribbon holder for guiding the ink ribbon to a predetermined position in front of the nose portion is attached to the recording head main body, and the recording head is attached to the carriage together with the ribbon holder. The recording apparatus according to claim 6, wherein the ribbon holder includes a locking portion having a hooking portion that is hooked on the recording head main body. The recording head body includes a positioning projection for positioning the height direction of the ribbon holder,
The recording apparatus according to claim 6, wherein the locking portion of the ribbon holder includes a positioning recess that fits into the positioning protrusion. The recording head body includes a positioning concave portion that fits into the positioning convex portion for positioning the height direction provided in the locking portion of the ribbon holder. The recording device described. The recording head main body further includes a driving unit that drives the recording wire, and a radiator that radiates heat generated in the driving unit,
The recording apparatus according to claim 6, wherein the ribbon holder includes a cover that covers the radiator.

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